[PLUG] iptables And /proc Control

[Stafford A. Rau]

* Jason Van Cleve <jason at vancleve.com> [031201 18:15]:
> 
> What I'm wondering is, if I'm going to use netfilter, why bother with
> the /proc options?  They show up in most iptables sample scripts, so
> there must be a reason.
 
For one, if you have multiple interfaces, you are not going to forward
packets unless /proc/sys/net/ipv4/ip_forward is "1", regardless of what
iptables says.

--Stafford